<template>
  <Tooltip :title="getTitle" placement="bottom" :mouseEnterDelay="0.5">
    <span @click="toggle">
      <FullscreenOutlined v-if="!isFullscreen" />
      <FullscreenExitOutlined v-else />
    </span>
  </Tooltip>
</template>
<script lang="ts">
  import { defineComponent, computed, unref } from "vue";
  import { Tooltip } from "ant-design-vue";
  import { useI18n } from "/@/hooks/web/UseI18n";
  import { useFullscreen } from "@vueuse/core";
  import { FullscreenExitOutlined, FullscreenOutlined } from "@ant-design/icons-vue";

  export default defineComponent({
    name: "FullScreen",
    components: { FullscreenExitOutlined, FullscreenOutlined, Tooltip },

    setup() {
      const { t } = useI18n();
      const { toggle, isFullscreen } = useFullscreen();
      // 重新检查全屏状态
      // @ts-ignore
      isFullscreen.value = !!(
        document.fullscreenElement ||
        document.webkitFullscreenElement ||
        document.mozFullScreenElement ||
        document.msFullscreenElement
      );
      const getTitle = computed(() => {
        return unref(isFullscreen) ? t("layout.header.tooltipExitFull") : t("layout.header.tooltipEntryFull");
      });

      return {
        getTitle,
        isFullscreen,
        toggle
      };
    }
  });
</script>
